| Morph. | Taxon Name | Obs.Width | Calyptra | Granules | DkRefr. | Necridia | Observed Description | ||
|---|---|---|---|---|---|---|---|---|---|
| 12 |  |
L | Phormidium frigidum | <2.5 | Maybe | Maybe | Maybe | Maybe | Trichomes all less than 2.5 µm in width. Very thin trichomes–probably more than one species. Usually, no cell structures were visible, but occasionally, cells were box-shaped with distinct constrictions at the transverse walls. |
Click on any image below to enlarge. scalebar is 10 µm
